This is sort of a good point. I hate this behavior on Amazon's part, and I want them to stop. I would like it if the US government compelled them to stop. The bigger thing to me is how they prevent their customers from using Chromecast solely to attempt to hurt their competitors' products. That is anti-competitive behavior, and in a better world, the US government would compel them to allow their users to stream via Chromecast.

However, it's not that big of a deal if Amazon doesn't sell something. You just buy it somewhere else. I did not have any trouble acquiring a Chromecast when I wanted one, and I doubt anyone else did either. Using some kind of antitrust break-up to fix this would be like using a nuclear bomb to hammer in a nail. For a problem like this, a more targeted approach seems better, at least as an initial cut.